Eothalassius is a genus of
flies in the family
Dolichopodidae. It contains four described species, from Southeast Asia, Papua New Guinea, Costa Rica and the Mediterranean. It also contains three undescribed species, one from New Caledonia and two from Japan.[2][3]
^Brooks, S.E.; Cumming, J.M. (2011). "The New World Genera of Parathalassiinae (Diptera: Empidoidea: Dolichopodidae s.l.), with New Species of Thalassophorus and Eothalassius". The Canadian Entomologist. 143 (5): 423–446.
doi:
10.4039/n11-027.